yeah i thought about it and then i really took it apart and LOOKED and everything is perfect, no metal in the diff, gears are in really good condition, i guess jumpin a 4x4 makes stuff break (bring it sport bikes) haha, at busco beach i was havin wheelie contests with some sport bike guys, and i think that had somethin to do with it, i had a 1 wheel wheelie goin on and it was on the side that broke